Diff Report
Run #517d51ae434de: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517d52b5a5611: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem@1

Drupal\Core\Cache\DatabaseBackend::prepareItem@1Run #517d51ae434deRun #517d52b5a5611DiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)427 483 56 13.1%
Incl. Wall Time (microsec) per call 61 69 8 13.1%
Excl. Wall Time (microsec)91 104 13 14.3%
Incl. CPU (microsecs)432 486 54 12.5%
Incl. CPU (microsecs) per call 62 69 8 12.5%
Excl. CPU (microsec)74 90 16 21.6%
Incl. MemUse (bytes)104,936 104,936 0 0.0%
Incl. MemUse (bytes) per call 14,991 14,991 0 0.0%
Excl. MemUse (bytes)-11,648 -11,648 0 0.0%
Incl. PeakMemUse (bytes)108,224 108,224 0 0.0%
Incl. PeakMemUse (bytes) per call 15,461 15,461 0 0.0%
Excl. PeakMemUse (bytes)1,992 1,992 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\DatabaseBackend::prepareItem@1 [View Callgraph Diff]


Function NameCalls DiffCalls
Diff%		Incl. Wall
Diff
(microsec)		IWall
Diff%		Incl. CPU Diff
(microsec)		ICpu
Diff%		Incl.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 56 2.3% 54 3.9% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function13 23.2% 16 29.6% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 56 100.0% 54 100.0% 0 N/A% 0 N/A%
Child functions
unserialize@10 N/A% 23 41.1% 24 44.4% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 20 35.7% 18 33.3% 0 N/A% 0 N/A%
explode0 N/A% 0 0.0% -4 -7.4% 0 N/A% 0 N/A%